getviewport(3G)

NAME
     getviewport - gets a copy of the dimensions of the current viewport

C SPECIFICATION
     void getviewport(left, right, bottom, top)
     Screencoord *left, *right, *bottom, *top;

PARAMETERS
     left     expects a pointer to a location into which the system should
              copy the x coordinate (in pixels) of the left side of the
              current view port.

     right    expects a pointer to a location into which the system should
              copy the x coordinate (in pixels) of the right side of the
              current view port.

     bottom   expects a pointer to a location into which the system should
              copy the y coordinate (in pixels) of the bottom side of the
              current view port.

     top      expects a pointer to a location into which the system should
              copy the y coordinate (in pixels) of the top side of the current
              view port.

DESCRIPTION
     getviewport gets the dimensions of the current viewport and copies them
     to the locations specified as parameters.  The current viewport is
     defined as the viewport at the top of the viewport stack.

SEE ALSO
     popviewport, pushviewport, viewport

NOTE
     This routine is available only in immediate mode.